OSStatus RageSound_CA::GetData(AudioDeviceID inDevice,
const AudioTimeStamp *inNow,
const AudioBufferList *inInputData,
const AudioTimeStamp *inInputTime,
AudioBufferList *outOutputData,
const AudioTimeStamp *inOutputTime,
void *inClientData)
{
RageTimer tm;
RageSound_CA *This = (RageSound_CA *)inClientData;
AudioBuffer& buf = outOutputData->mBuffers[0];
UInt32 dataPackets = buf.mDataByteSize >> 3; // 8 byes per packet
int64_t decodePos = int64_t(inOutputTime->mSampleTime);
int64_t now = int64_t(inNow->mSampleTime);
RageTimer tm2;
int16_t buffer[dataPackets * (kBytesPerPacket >> 1)];
This->Mix(buffer, dataPackets, decodePos, now);
g_fLastMixTimes[g_iLastMixTimePos] = tm2.GetDeltaTime();
++g_iLastMixTimePos;
wrap(g_iLastMixTimePos, NUM_MIX_TIMES);
AudioConverterConvertBuffer(This->mConverter, dataPackets * kBytesPerPacket,
buffer, &buf.mDataByteSize, buf.mData);
g_fLastIOProcTime = tm.GetDeltaTime();
++g_iNumIOProcCalls;
return noErr;
}
void RageDisplay::ResetStats()
{
g_iFPS = g_iVPF = 0;
g_iFramesRenderedSinceLastCheck = g_iFramesRenderedSinceLastReset = 0;
g_iNumChecksSinceLastReset = 0;
g_iVertsRenderedSinceLastCheck = 0;
g_LastCheckTimer.GetDeltaTime();
}
void Paint()
{
/* We load songs much faster than we draw frames. Cap the draw rate,
* so we don't slow down the reload. */
if( m_LastDraw.PeekDeltaTime() < 1.0f/DrawFrameRate )
return;
m_LastDraw.GetDeltaTime();
SCREENMAN->Draw();
}
void ConcurrentRenderer::RenderThread()
{
ASSERT( SCREENMAN != NULL );
while( !m_bShutdown )
{
m_Event.Lock();
while( m_State == RENDERING_IDLE && !m_bShutdown )
m_Event.Wait();
m_Event.Unlock();
if( m_State == RENDERING_START )
{
/* We're starting to render. Set up, and then kick the event to wake
* up the calling thread. */
DISPLAY->BeginConcurrentRendering();
HOOKS->SetupConcurrentRenderingThread();
LOG->Trace( "ConcurrentRenderer::RenderThread start" );
m_Event.Lock();
m_State = RENDERING_ACTIVE;
m_Event.Signal();
m_Event.Unlock();
}
/* This is started during Update(). The next thing the game loop
* will do is Draw, so shift operations around to put Draw at the
* top. This makes sure updates are seamless. */
if( m_State == RENDERING_ACTIVE )
{
SCREENMAN->Draw();
float fDeltaTime = g_GameplayTimer.GetDeltaTime();
SCREENMAN->Update( fDeltaTime );
}
if( m_State == RENDERING_END )
{
LOG->Trace( "ConcurrentRenderer::RenderThread done" );
DISPLAY->EndConcurrentRendering();
m_Event.Lock();
m_State = RENDERING_IDLE;
m_Event.Signal();
m_Event.Unlock();
}
}
}
void RageDisplay::ProcessStatsOnFlip()
{
g_iFramesRenderedSinceLastCheck++;
g_iFramesRenderedSinceLastReset++;
if( g_LastCheckTimer.PeekDeltaTime() >= 1.0f ) // update stats every 1 sec.
{
g_LastCheckTimer.GetDeltaTime();
g_iNumChecksSinceLastReset++;
g_iFPS = g_iFramesRenderedSinceLastCheck;
g_iCFPS = g_iFramesRenderedSinceLastReset / g_iNumChecksSinceLastReset;
g_iVPF = g_iVertsRenderedSinceLastCheck / g_iFPS;
g_iFramesRenderedSinceLastCheck = g_iVertsRenderedSinceLastCheck = 0;
if( LOG_FPS )
LOG->Trace( "FPS: %d, CFPS %d, VPF: %d", g_iFPS, g_iCFPS, g_iVPF );
}
}
void RageDisplay::ProcessStatsOnFlip()
{
g_iFramesRenderedSinceLastCheck++;
g_iFramesRenderedSinceLastReset++;
if( g_LastCheckTimer.PeekDeltaTime() >= 1.0f ) // update stats every 1 sec.
{
float fActualTime = g_LastCheckTimer.GetDeltaTime();
g_iNumChecksSinceLastReset++;
g_iFPS = lrintf( g_iFramesRenderedSinceLastCheck / fActualTime );
g_iCFPS = g_iFramesRenderedSinceLastReset / g_iNumChecksSinceLastReset;
g_iCFPS = lrintf( g_iCFPS / fActualTime );
g_iVPF = g_iVertsRenderedSinceLastCheck / g_iFramesRenderedSinceLastCheck;
g_iFramesRenderedSinceLastCheck = g_iVertsRenderedSinceLastCheck = 0;
if( LOG_FPS )
{
RString sStats = GetStats();
sStats.Replace( "\n", ", " );
LOG->Trace( "%s", sStats.c_str() );
}
}
}
/* For visibility testing: if bAbsolute is false, random modifiers must return the
* minimum possible scroll speed. */
float ArrowEffects::GetYOffset( const PlayerState* pPlayerState, int iCol, float fNoteBeat, float &fPeakYOffsetOut, bool &bIsPastPeakOut, bool bAbsolute )
{
// Default values that are returned if boomerang is off.
fPeakYOffsetOut = FLT_MAX;
bIsPastPeakOut = true;
float fYOffset = 0;
/* Usually, fTimeSpacing is 0 or 1, in which case we use entirely beat spacing or
* entirely time spacing (respectively). Occasionally, we tween between them. */
if( pPlayerState->m_CurrentPlayerOptions.m_fTimeSpacing != 1.0f )
{
float fSongBeat = GAMESTATE->m_fSongBeat;
float fBeatsUntilStep = fNoteBeat - fSongBeat;
float fYOffsetBeatSpacing = fBeatsUntilStep * ARROW_SPACING;
fYOffset += fYOffsetBeatSpacing * (1-pPlayerState->m_CurrentPlayerOptions.m_fTimeSpacing);
}
if( pPlayerState->m_CurrentPlayerOptions.m_fTimeSpacing != 0.0f )
{
float fSongSeconds = GAMESTATE->m_fMusicSeconds;
float fNoteSeconds = GAMESTATE->m_pCurSong->GetElapsedTimeFromBeat(fNoteBeat);
float fSecondsUntilStep = fNoteSeconds - fSongSeconds;
float fBPM = pPlayerState->m_CurrentPlayerOptions.m_fScrollBPM;
float fBPS = fBPM/60.f;
float fYOffsetTimeSpacing = fSecondsUntilStep * fBPS * ARROW_SPACING;
fYOffset += fYOffsetTimeSpacing * pPlayerState->m_CurrentPlayerOptions.m_fTimeSpacing;
}
// don't mess with the arrows after they've crossed 0
if( fYOffset < 0 )
return fYOffset * pPlayerState->m_CurrentPlayerOptions.m_fScrollSpeed;
const float* fAccels = pPlayerState->m_CurrentPlayerOptions.m_fAccels;
//const float* fEffects = pPlayerState->m_CurrentPlayerOptions.m_fEffects;
float fYAdjust = 0; // fill this in depending on PlayerOptions
if( fAccels[PlayerOptions::ACCEL_BOOST] != 0 )
{
float fEffectHeight = GetNoteFieldHeight(pPlayerState);
float fNewYOffset = fYOffset * 1.5f / ((fYOffset+fEffectHeight/1.2f)/fEffectHeight);
float fAccelYAdjust = fAccels[PlayerOptions::ACCEL_BOOST] * (fNewYOffset - fYOffset);
// TRICKY: Clamp this value, or else BOOST+BOOMERANG will draw a ton of arrows on the screen.
CLAMP( fAccelYAdjust, -400.f, 400.f );
fYAdjust += fAccelYAdjust;
}
if( fAccels[PlayerOptions::ACCEL_BRAKE] != 0 )
{
float fEffectHeight = GetNoteFieldHeight(pPlayerState);
float fScale = SCALE( fYOffset, 0.f, fEffectHeight, 0, 1.f );
float fNewYOffset = fYOffset * fScale;
float fBrakeYAdjust = fAccels[PlayerOptions::ACCEL_BRAKE] * (fNewYOffset - fYOffset);
// TRICKY: Clamp this value the same way as BOOST so that in BOOST+BRAKE, BRAKE doesn't overpower BOOST
CLAMP( fBrakeYAdjust, -400.f, 400.f );
fYAdjust += fBrakeYAdjust;
}
if( fAccels[PlayerOptions::ACCEL_WAVE] != 0 )
fYAdjust += fAccels[PlayerOptions::ACCEL_WAVE] * 20.0f*RageFastSin( fYOffset/38.0f );
fYOffset += fYAdjust;
//
// Factor in boomerang
//
if( fAccels[PlayerOptions::ACCEL_BOOMERANG] != 0 )
{
float fOriginalYOffset = fYOffset;
fYOffset = (-1*fOriginalYOffset*fOriginalYOffset/SCREEN_HEIGHT) + 1.5f*fOriginalYOffset;
float fPeakAtYOffset = SCREEN_HEIGHT * 0.75f; // zero point of function above
fPeakYOffsetOut = (-1*fPeakAtYOffset*fPeakAtYOffset/SCREEN_HEIGHT) + 1.5f*fPeakAtYOffset;
bIsPastPeakOut = fOriginalYOffset < fPeakAtYOffset;
}
//
// Factor in scroll speed
//
float fScrollSpeed = pPlayerState->m_CurrentPlayerOptions.m_fScrollSpeed;
if( pPlayerState->m_CurrentPlayerOptions.m_fRandomSpeed > 0 && !bAbsolute )
{
int seed = GAMESTATE->m_iStageSeed + ( BeatToNoteRow( fNoteBeat ) << 8 ) + (iCol * 100);
/* Temporary hack: the first call to RandomFloat isn't "random"; it takes an extra
* call to get the RNG rolling. */
RandomFloat( seed );
float fRandom = RandomFloat( seed );
/* Random speed always increases speed: a random speed of 10 indicates [1,11].
* This keeps it consistent with other mods: 0 means no effect. */
fScrollSpeed *=
SCALE( fRandom,
0.0f, 1.0f,
1.0f, pPlayerState->m_CurrentPlayerOptions.m_fRandomSpeed + 1.0f );
}
if( fAccels[PlayerOptions::ACCEL_EXPAND] != 0 )
{
/* Timers can't be global, since they'll be initialized before SDL. */
static RageTimer timerExpand;
if( !GAMESTATE->m_bFreeze )
g_fExpandSeconds += timerExpand.GetDeltaTime();
else
timerExpand.GetDeltaTime(); // throw away
float fExpandMultiplier = SCALE( RageFastCos(g_fExpandSeconds*3), -1, 1, 0.75f, 1.75f );
fScrollSpeed *= SCALE( fAccels[PlayerOptions::ACCEL_EXPAND], 0.f, 1.f, 1.f, fExpandMultiplier );
}
fYOffset *= fScrollSpeed;
fPeakYOffsetOut *= fScrollSpeed;
return fYOffset;
}
float ArrowGetYOffset( PlayerNumber pn, int iCol, float fNoteBeat )
{
float fYOffset = 0;
/* Usually, fTimeSpacing is 0 or 1, in which case we use entirely beat spacing or
* entirely time spacing (respectively). Occasionally, we tween between them. */
if( GAMESTATE->m_CurrentPlayerOptions[pn].m_fTimeSpacing != 1.0f )
{
float fSongBeat = GAMESTATE->m_fSongBeat;
float fBeatsUntilStep = fNoteBeat - fSongBeat;
float fYOffsetBeatSpacing = fBeatsUntilStep * ARROW_SPACING;
fYOffset += fYOffsetBeatSpacing * (1-GAMESTATE->m_CurrentPlayerOptions[pn].m_fTimeSpacing);
}
if( GAMESTATE->m_CurrentPlayerOptions[pn].m_fTimeSpacing != 0.0f )
{
float fSongSeconds = GAMESTATE->m_fMusicSeconds;
float fNoteSeconds = GAMESTATE->m_pCurSong->GetElapsedTimeFromBeat(fNoteBeat);
float fSecondsUntilStep = fNoteSeconds - fSongSeconds;
float fBPM = GAMESTATE->m_CurrentPlayerOptions[pn].m_fScrollBPM;
float fBPS = fBPM/60.f;
float fYOffsetTimeSpacing = fSecondsUntilStep * fBPS * ARROW_SPACING;
fYOffset += fYOffsetTimeSpacing * GAMESTATE->m_CurrentPlayerOptions[pn].m_fTimeSpacing;
}
// don't mess with the arrows after they've crossed 0
if( fYOffset < 0 )
return fYOffset * GAMESTATE->m_CurrentPlayerOptions[pn].m_fScrollSpeed;
const float* fAccels = GAMESTATE->m_CurrentPlayerOptions[pn].m_fAccels;
//const float* fEffects = GAMESTATE->m_CurrentPlayerOptions[pn].m_fEffects;
float fYAdjust = 0; // fill this in depending on PlayerOptions
if( fAccels[PlayerOptions::ACCEL_BOOST] > 0 )
{
float fEffectHeight = GetNoteFieldHeight(pn);
float fNewYOffset = fYOffset * 1.5f / ((fYOffset+fEffectHeight/1.2f)/fEffectHeight);
float fAccelYAdjust = fAccels[PlayerOptions::ACCEL_BOOST] * (fNewYOffset - fYOffset);
// TRICKY: Clamp this value, or else BOOST+BOOMERANG will draw a ton of arrows on the screen.
CLAMP( fAccelYAdjust, -400.f, 400.f );
fYAdjust += fAccelYAdjust;
}
if( fAccels[PlayerOptions::ACCEL_BRAKE] > 0 )
{
float fEffectHeight = GetNoteFieldHeight(pn);
float fScale = SCALE( fYOffset, 0.f, fEffectHeight, 0, 1.f );
float fNewYOffset = fYOffset * fScale;
float fBrakeYAdjust = fAccels[PlayerOptions::ACCEL_BRAKE] * (fNewYOffset - fYOffset);
// TRICKY: Clamp this value the same way as BOOST so that in BOOST+BRAKE, BRAKE doesn't overpower BOOST
CLAMP( fBrakeYAdjust, -400.f, 400.f );
fYAdjust += fBrakeYAdjust;
}
if( fAccels[PlayerOptions::ACCEL_WAVE] > 0 )
fYAdjust += fAccels[PlayerOptions::ACCEL_WAVE] * 20.0f*sinf( fYOffset/38.0f );
fYOffset += fYAdjust;
if( fAccels[PlayerOptions::ACCEL_BOOMERANG] > 0 )
fYOffset += fAccels[PlayerOptions::ACCEL_BOOMERANG] * (fYOffset * SCALE( fYOffset, 0.f, SCREEN_HEIGHT, 1.5f, 0.5f )- fYOffset);
float fScrollSpeed = GAMESTATE->m_CurrentPlayerOptions[pn].m_fScrollSpeed;
if( fAccels[PlayerOptions::ACCEL_EXPAND] > 0 )
{
/* Timers can't be global, since they'll be initialized before SDL. */
static RageTimer timerExpand;
if( !GAMESTATE->m_bFreeze )
g_fExpandSeconds += timerExpand.GetDeltaTime();
else
timerExpand.GetDeltaTime(); // throw away
float fExpandMultiplier = SCALE( cosf(g_fExpandSeconds*3), -1, 1, 0.5f, 1.5f );
fScrollSpeed *= SCALE( fAccels[PlayerOptions::ACCEL_EXPAND], 0.f, 1.f, 1.f, fExpandMultiplier );
}
fYOffset *= fScrollSpeed;
return fYOffset;
}
void GameLoop::RunGameLoop()
{
/* People may want to do something else while songs are loading, so do
* this after loading songs. */
if( ChangeAppPri() )
HOOKS->BoostPriority();
while( !ArchHooks::UserQuit() )
{
if( !g_sNewTheme.empty() )
DoChangeTheme();
/*
* Update
*/
float fDeltaTime = g_GameplayTimer.GetDeltaTime();
if( g_fConstantUpdateDeltaSeconds > 0 )
fDeltaTime = g_fConstantUpdateDeltaSeconds;
CheckGameLoopTimerSkips( fDeltaTime );
fDeltaTime *= g_fUpdateRate;
/* XXX
PitchDetectionTest::Update();
*/
CheckFocus();
/* Update SOUNDMAN early (before any RageSound::GetPosition calls), to flush position data. */
SOUNDMAN->Update();
/* Update song beat information -before- calling update on all the classes that
* depend on it. If you don't do this first, the classes are all acting on old
* information and will lag. (but no longer fatally, due to timestamping -glenn) */
SOUND->Update( fDeltaTime );
TEXTUREMAN->Update( fDeltaTime );
GAMESTATE->Update( fDeltaTime );
SCREENMAN->Update( fDeltaTime );
MEMCARDMAN->Update();
NSMAN->Update( fDeltaTime );
/* Important: Process input AFTER updating game logic, or input will be acting on song beat from last frame */
HandleInputEvents( fDeltaTime );
if( INPUTMAN->DevicesChanged() )
{
INPUTFILTER->Reset(); // fix "buttons stuck" if button held while unplugged
INPUTMAN->LoadDrivers();
RString sMessage;
if( INPUTMAPPER->CheckForChangedInputDevicesAndRemap(sMessage) )
SCREENMAN->SystemMessage( sMessage );
}
LIGHTSMAN->Update( fDeltaTime );
/*
* Render
*/
SCREENMAN->Draw();
}
/* If we ended mid-game, finish up. */
GAMESTATE->SaveLocalData();
if( ChangeAppPri() )
HOOKS->UnBoostPriority();
}
void run()
{
#define CHECK(call, exp) \
{ \
float ret = call; \
if( call != exp ) { \
LOG->Warn( "Line %i: Got %f, expected %f", __LINE__, ret, exp); \
return; \
} \
}
TimingData test;
test.AddBPMSegment( BPMSegment(0, 60) );
/* First, trivial sanity checks. */
CHECK( test.GetBeatFromElapsedTime(60), 60.0f );
CHECK( test.GetElapsedTimeFromBeat(60), 60.0f );
/* The first BPM segment extends backwards in time. */
CHECK( test.GetBeatFromElapsedTime(-60), -60.0f );
CHECK( test.GetElapsedTimeFromBeat(-60), -60.0f );
CHECK( test.GetBeatFromElapsedTime(100000), 100000.0f );
CHECK( test.GetElapsedTimeFromBeat(100000), 100000.0f );
CHECK( test.GetBeatFromElapsedTime(-100000), -100000.0f );
CHECK( test.GetElapsedTimeFromBeat(-100000), -100000.0f );
CHECK( test.GetBPMAtBeat(0), 60.0f );
CHECK( test.GetBPMAtBeat(100000), 60.0f );
CHECK( test.GetBPMAtBeat(-100000), 60.0f );
/* 120BPM at beat 10: */
test.AddBPMSegment( BPMSegment(10, 120) );
CHECK( test.GetBPMAtBeat(9.99), 60.0f );
CHECK( test.GetBPMAtBeat(10), 120.0f );
CHECK( test.GetBeatFromElapsedTime(9), 9.0f );
CHECK( test.GetBeatFromElapsedTime(10), 10.0f );
CHECK( test.GetBeatFromElapsedTime(10.5), 11.0f );
CHECK( test.GetElapsedTimeFromBeat(9), 9.0f );
CHECK( test.GetElapsedTimeFromBeat(10), 10.0f );
CHECK( test.GetElapsedTimeFromBeat(11), 10.5f );
/* Add a 5-second stop at beat 10. */
test.AddStopSegment( StopSegment(10, 5) );
/* The stop shouldn't affect GetBPMAtBeat at all. */
CHECK( test.GetBPMAtBeat(9.99), 60.0f );
CHECK( test.GetBPMAtBeat(10), 120.0f );
CHECK( test.GetBeatFromElapsedTime(9), 9.0f );
CHECK( test.GetBeatFromElapsedTime(10), 10.0f );
CHECK( test.GetBeatFromElapsedTime(12), 10.0f );
CHECK( test.GetBeatFromElapsedTime(14), 10.0f );
CHECK( test.GetBeatFromElapsedTime(15), 10.0f );
CHECK( test.GetBeatFromElapsedTime(15.5), 11.0f );
CHECK( test.GetElapsedTimeFromBeat(9), 9.0f );
CHECK( test.GetElapsedTimeFromBeat(10), 10.0f );
CHECK( test.GetElapsedTimeFromBeat(11), 15.5f );
/* Add a 2-second stop at beat 5 and a 5-second stop at beat 15. */
test.m_StopSegments.clear();
test.AddStopSegment( StopSegment(5, 2) );
test.AddStopSegment( StopSegment(15, 5) );
CHECK( test.GetBPMAtBeat(9.99), 60.0f );
CHECK( test.GetBPMAtBeat(10), 120.0f );
CHECK( test.GetBeatFromElapsedTime(1), 1.0f );
CHECK( test.GetBeatFromElapsedTime(2), 2.0f );
CHECK( test.GetBeatFromElapsedTime(5), 5.0f ); // stopped
CHECK( test.GetBeatFromElapsedTime(6), 5.0f ); // stopped
CHECK( test.GetBeatFromElapsedTime(7), 5.0f ); // stop finished
CHECK( test.GetBeatFromElapsedTime(8), 6.0f );
CHECK( test.GetBeatFromElapsedTime(12), 10.0f ); // bpm changes to 120
CHECK( test.GetBeatFromElapsedTime(13), 12.0f );
CHECK( test.GetBeatFromElapsedTime(14), 14.0f );
CHECK( test.GetBeatFromElapsedTime(14.5f), 15.0f ); // stopped
CHECK( test.GetBeatFromElapsedTime(15), 15.0f ); // stopped
CHECK( test.GetBeatFromElapsedTime(17), 15.0f ); // stopped
CHECK( test.GetBeatFromElapsedTime(19.5f), 15.0f ); // stop finished
CHECK( test.GetBeatFromElapsedTime(20), 16.0f );
CHECK( test.GetElapsedTimeFromBeat(1), 1.0f );
CHECK( test.GetElapsedTimeFromBeat(2), 2.0f );
CHECK( test.GetElapsedTimeFromBeat(5), 5.0f ); // stopped
CHECK( test.GetElapsedTimeFromBeat(6), 8.0f );
CHECK( test.GetElapsedTimeFromBeat(10), 12.0f ); // bpm changes to 120
CHECK( test.GetElapsedTimeFromBeat(12), 13.0f );
CHECK( test.GetElapsedTimeFromBeat(14), 14.0f );
CHECK( test.GetElapsedTimeFromBeat(15.0f), 14.5f ); // stopped
CHECK( test.GetElapsedTimeFromBeat(16), 20.0f );
RageTimer foobar;
/* We can look up the time of any given beat, then look up the beat of that
* time and get the original value. (We can't do this in reverse; the beat
* doesn't move during stop segments.) */
int q = 0;
for( float f = -10; f < 250; f += 0.002 )
{
++q;
// const float t = test.GetElapsedTimeFromBeat( f );
const float b = test.GetBeatFromElapsedTime( f );
/* b == f */
// if( fabsf(b-f) > 0.001 )
// {
// LOG->Warn( "%f != %f", b, f );
// return;
// }
}
LOG->Trace("... %i in %f", q, foobar.GetDeltaTime());
TimingData test2;
test2.AddBPMSegment( BPMSegment(0, 60) );
test2.AddStopSegment( StopSegment(0, 1) );
CHECK( test2.GetBeatFromElapsedTime(-1), -1.0f );
CHECK( test2.GetBeatFromElapsedTime(0), 0.0f );
CHECK( test2.GetBeatFromElapsedTime(1), 0.0f );
CHECK( test2.GetBeatFromElapsedTime(2), 1.0f );
CHECK( test2.GetElapsedTimeFromBeat(-1), -1.0f );
CHECK( test2.GetElapsedTimeFromBeat(0), 0.0f );
CHECK( test2.GetElapsedTimeFromBeat(1), 2.0f );
CHECK( test2.GetElapsedTimeFromBeat(2), 3.0f );
}
